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SB17 or Seas ER18RNX to pair with RS28A

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  • #16
    Originally posted by donradick View Post
    Those SB17 drivers look pretty awesome. I think distortion will be much lower than the ER18 special.
    Thanks -- another vote for the SB!

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    • #17
      Originally posted by 50 watt head View Post


      Well, FWIW, that was the first time I've used that online modeler, so, I have no idea how accurate my use of it was. I need to get an old version of Excel so I can use spreadsheet tools again.
      I had entered an incorrect value going through it too quickly the other day. Here's the response in the cabinet you propose, for the 5 ohm truncated ER18RN-TRD.
      Click image for larger version

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      Don't waste your money on a new set of speakers, You get more mileage from a cheap pair of sneakers. Next phase, new wave, dance craze, anyways it's still rock and roll to me!

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      • #18
        Originally posted by dcibel View Post
        Here's the response in the cabinet you propose, for the 5 ohm truncated ER18RN-TRD.
        Thanks man. If the midrange performance is lacking, it sure does look like it would make a great bottom for a 3-way.

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        • #19
          I doubt you'll be disappointed with its midrange performance.
          Don't waste your money on a new set of speakers, You get more mileage from a cheap pair of sneakers. Next phase, new wave, dance craze, anyways it's still rock and roll to me!

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          • #20
            I don't have any experience with that SB, and I don't have experience with the truncated ER18... but I can say that the standard ER18 in a MTM configuration is down right impressive. Paul K designed the ML/TL cabinet, and the things not only HAMMER, they play into the upper 20s and still manage crazy output. I have no issues recommending that ER18 woofer, IMO it's a very good driver. I'm not dogging the SB17... for $30/driver less it's a tough call. But IMO, you'll be really happy with that ER18. As far as the ER18's ability to do midrange... I would guess (based on being pleased with previous SB woofers) that the 2 would be close... but I wouldn't be surprised if the SB actually edged out the ER18 in the mids. Total guess though because I haven't personally ever heard that SB. The ER18 had average mids IMO, not awesome but not crap either. But that bass... ooooh lala .
            "The ability of any system to produce exceptional sound will be limited mainly by the capability of the speakers" Jim Salk
            "Audio is surely a journey full of revelations as you go" JasonP

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            • #21
              Originally posted by dcibel View Post
              Since you are going for a subwoofer-less build, the parameters of the 5 ohm truncated ER18 align to provide very deep bass in a small ported cab. Probably the best bass extension you could ever hope for from a 6.5" midwoofer.

              I was checking this woofer out recently and I could swear I read the same thing over at htguide, but can't find the thread now. Someone thought it better for a compact 3 way with the mids probably not as good as the RNX.

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              • #22
                Originally posted by mattsk8 View Post
                I don't have any experience with that SB, and I don't have experience with the truncated ER18... but I can say that the standard ER18 in a MTM configuration is down right impressive. Paul K designed the ML/TL cabinet, and the things not only HAMMER, they play into the upper 20s and still manage crazy output. I have no issues recommending that ER18 woofer, IMO it's a very good driver. I'm not dogging the SB17... for $30/driver less it's a tough call. But IMO, you'll be really happy with that ER18. As far as the ER18's ability to do midrange... I would guess (based on being pleased with previous SB woofers) that the 2 would be close... but I wouldn't be surprised if the SB actually edged out the ER18 in the mids. Total guess though because I haven't personally ever heard that SB. The ER18 had average mids IMO, not awesome but not crap either. But that bass... ooooh lala .

                Great feedback, thanks man.

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                • #23
                  Originally posted by Wushuliu View Post


                  I was checking this woofer out recently and I could swear I read the same thing over at htguide, but can't find the thread now. Someone thought it better for a compact 3 way with the mids probably not as good as the RNX.

                  Yeah, I'm fairly tempted to pick up a pair of the truncated ER18 and set them aside for a future 3-way project.

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                  • #24
                    Originally posted by dld View Post
                    just to be annoying I'm gonna suggest the Usher 8948A. The sale ER18 from the competitor is pretty appealing though.

                    I appreciate your suggestion. The Usher is a *little* above the budget I am considering, but not by a whole lot. I wish it used a more typical 5.75" through hole.

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                    • #25
                      I have listened to many hours with the SB17 uncoated paper driver you are considering. It's really an excellent midwoofer, but the SEAS might have a bit more bass below 100 Hz. If you are using a subwoofer, that no longer becomes an issue.
                      -Dan
                      Mandolin Curved Cabinet Floorstanding; Dayton Reference 18" sealed Subwoofer; Sealed 12" Dayton Reference Subwoofer ; Overnight Sensation builds

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                      • #26
                        Originally posted by djkest View Post
                        I have listened to many hours with the SB17 uncoated paper driver you are considering. It's really an excellent midwoofer, but the SEAS might have a bit more bass below 100 Hz
                        Thanks man. That's very helpful feedback.

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                        • #27
                          Looks like I lost my position as designer to the Stars, lol
                          You go your way, I'll go mine. I don't care if we get there on time.

                          ~Pink Floyd

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